<!--
 * @Author: 胡海
 * @Date: 2020-08-29 13:09:51
 * @LastEditors: 胡海
 * @LastEditTime: 2020-11-01 19:46:12
 * @Description: 
--><template>
  <div v-show="showFlag" class="food" transition="move" v-el:food>
    <div class="food-content">
      <div class="image-header">
        <img :src="food.image">
        <div class="back" @click="hide">
          <i class="icon-arrow_lift"></i>
        </div>
      </div>
      <div class="content">
        <h1 class="title">{{food.name}}</h1>
        <div class="detail">
          <span class="sell-count">月售{{food.sellCount}}份</span>
          <span class="rating">好评率{{food.rating}}%</span>
        </div>
        <div class="price">
          <span class="now">￥{{food.price}}</span><span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
        </div>
        <div class="cartcontrol-wrapper">
          <cartcontrol :food="food"></cartcontrol>
        </div>
        <div @click.stop.prevent="addFirst" class="buy" v-show="!food.count || food.count===0" transition="fade">加入购物车
        </div>
      </div>
      <split v-show="food.info"></split>
      <div class="info" v-show="food.info">
        <h1 class="title">商品信息</h1>
        <p class="text">{{food.info}}</p>
      </div>
      <split></split>
      <div class="rating">
        <h1 class="title">商品评价</h1>
        <ratingselect :select-type="selectType" :only-content="onlyContent" :desc="desc":ratings="food.ratings"></ratingselect>
        <div class="rating-wrapper">
           <ul v-show="food.ratings && food.ratings.length">
             <li v-show="needShow(rating.rateType,rating.text)" v-for="rating in food.ratings" class="rating-item border-1px">
               <div class="user">
                 <span class="name">{{rating.username}}</span>
                 <img class="avatar" width="12" height="12" :src="rating.avatar">
               </div>
               <div class="time">{{rating.rateTime | formatDate}}</div>
               <p class="text">
                 <span :class="{'icon-thumb_up':rating.rateType===0,'icon-thumb_down':rating.rateType===1}"></span>{{rating.text}}
               </p>
             </li>
           </ul>
           <div class="no-rating" v-show="!food.ratings || !food.ratings.length">暂无评价</div>
        </div>
      </div>
    </div>
  </div>
</template>

<script type="text/ecmascript-6">
import BScroll from 'better-scroll';
import Vue from 'vue';
import {formatDate} from 'common/js/date';
import cartcontrol from 'components/cartcontrol/cartcontrol';
import ratingselect from 'components/ratingselect/ratingselect';
import split from 'components/split/split';
//const POSITIVE = 0;
//const NEGATIVE = 1;
const ALL = 2;

export default {
  props: {
    food: {
      type: Object,
      default(){
        return {} 
      }
    }
  },
  data() {
    return {
      showFlag: false,
      selectType: ALL,
      onlyContent: true,
      desc: {
        all: '全部',
        positive: '推荐',
        negative: '吐槽',
      }
    };
  },
  methods: {
    show() {
      this.showFlag = true;
      this.selectType = ALL;
      this.onlyContent = true;
      this.$nextTick(() => {
        if (!this.scroll) {
          this.scroll = new BScroll(this.$els.food, {
            click: true
          });
        } else {
          this.scroll.refresh();
        }
      });
    },
    hide() { 
       this.showFlag = false;
    },
    addFirst(event) {
      if (!event._constructed) {
        return;
      }
      this.$dispatch('cart.add', event.target);
      Vue.set(this.food, 'count', 1);
    },
    needShow(type, text) {
      if (this.onlyContent && !text) {
        return false;
      }
      if(this.selectType === ALL) {
        return true;
      } else {
        return type === this.selectType;
      }
    }
  }, 
  events: {
    'ratingtype.select'(type) {
      this.selectType = type;
      this.$nextTick(() => {
        this.scroll.refresh();
      });
    } ,
    'content.toggle'(onlyContent) {
      this.onlyContent = onlyContent;
      this.$nextTick(() => {
        this.scroll.refresh();
      });
    }
  },
  filters: {
    formatDate(time) {
      let date = new Date(time);
      return formatDate(date,'yyyy-MM-dd hh:mm');
    }
  },
  components: {
    cartcontrol,
    ratingselect,
    split
  }
};
</script>

<style lang="stylus" rel="stylesheet/stylus">
 @import "../../common/stylus/mixin.styl"
  .food 
    position: fixed
    left: 0
    top: 0
    bottom: 48px 
    z-index: 30
    width: 100%
    background: #fff 
    &.move-transition
      transition: all 0.2s linear 
      transform: translate3d(0, 0, 0) 
    &.move-enter, &.move-leave
      transform: translate3d(100%, 0, 0)   
    .image-header
      position: relative
      width: 100%
      height: 0
      padding-top: 100%
      img
        position: absolute 
        top: 0
        left: 0
        width: 100%
        height: 100%   
      .back
        position: absolute
        top: 10px 
        left: 0
        .icon-arrow_lift
          display: block
          padding: 10px  
          font-size: 20px
          color: #ffffff     
    .content
      position: relative
      padding: 18px 
      .title
        line-height: 14px 
        margin-bottom: 8px 
        font-size: 14px 
        font-weight: 700
        color: rgb(7, 17, 27)    
      .detail
        margin-bottom: 18px 
        line-height: 10px 
        height: 10px 
        font-size: 0
        .sell-count, .rating
          font-size: 10px 
          color: rgb(147, 153, 159) 
          .sell-count
            margin-right: 12px    
      .price 
        font-weight: 700
        line-height: 24px 
        .now
          margin-right: 8px 
          font-size: 14px  
          color: rgb(240, 20, 20)
        .old
          text-decoration: line-through
          font-size: 10px 
          color: rgb(147, 153, 159)    
      .cartcontrol-wrapper   
        position: absolute
        right: 12px     
        bottom: 12px 
      .buy
        position: absolute
        right: 18px 
        bottom: 18px 
        z-index: 10
        height: 24px 
        line-height: 24px 
        padding: 0 12px
        box-sizing: border-box
        border-radius: 12px  
        font-size: 10px 
        color: #fff 
        background: rgb(0, 160, 220) 
        &.fade-transition
          transition: all 0.2s 
          opacity: 1 
        &.fade-enter, &.fade-leave
          opacity: 0 
    .info
      padding: 18px
      .title
        line-height: 14px 
        margin-bottom: 6px 
        font-size: 14px
        color: rgb(7, 17, 27) 
      .text
        line-height: 24px 
        padding: 0 8px 
        font-size: 12px 
        color: rgb(77, 85, 93)  
    .rating
      padding-top: 18px 
      .title
        line-height: 14px 
        margin-left: 18px 
        font-size: 14px 
        color: rgb(7, 17, 27)   
      .rating-wrapper
        padding: 0 18px
        .rating-item
          position: relative 
          padding: 16px 0
          border-1px(rgba(7, 17, 27, 0.1))
          .user
            position: adsolute
            right: 0
            top: 16px
            line-height: 12px 
            font-size: 0
            .name
              display: inline-block
              margin-right: 6px 
              vertical-align: top
              font-size: 10px 
              color: rgb(147, 153, 159)
            .avatar
              border-radius: 50% 
          .time 
            margin-bottom: 6px 
            line-height: 12px 
            font-size: 10px
            color: rgb(147, 153, 159)
          .text
            line-height: 16px 
            font-size: 12px
            color: rgb(7, 17 27)
            .icon-thumb_up, .icon-thumb_down
              margin-right: 4px 
              line-height: 16px 
              font-size: 12px
            .icon-thumb_up
              color: rgb(0, 160, 220)
            .icon-thumb_down
               color: rgb(147, 153, 159)
        .no-rating
          padding: 16px 0
          font-size: 12px
          color: rgb(147, 153, 159)       
</style>